Connected: An Internet Encyclopedia
RFC 1812 - 2.2 Elements of the Architecture

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### 2.2 Elements of the Architecture

2.2.1 Protocol Layering
2.2.2 Networks
2.2.3 Routers
2.2.4 Autonomous Systems
2.2.5 Addressing Architecture

2.2.5.1 Classical IP Addressing Architecture
2.2.5.2 Classless Inter Domain Routing (CIDR)

2.2.6 IP Multicasting
2.2.7 Unnumbered Lines and Networks Prefixes
2.2.8 Notable Oddities

2.2.8.1 Embedded Routers
2.2.8.2 Transparent Routers

Next: 2.2.1 Protocol Layering

Connected: An Internet Encyclopedia
RFC 1812 - 2.2 Elements of the Architecture